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What is the lowest frequency (in Hz) that will resonate in a 3 m length organ pipe, closed at one end (velocity of sound = 340 m/s)
What is the next highest frequency (2nd harmonic)?
You combine two thin lenses by placing them in contact so that their axes coincide, Find the focal length of this compound lens
A 70kg parachutist whose density is 1050 kg/m^3 is in free fall. Find the buoyant force due to the air and compare with the parachutist's weight
A proton moves perpendicular to a uniform magnetic field at a speed of 1.40 107 m/s and experiences an acceleration of 2.60 1013 m/s2 in the positive x-direction when its velocity is in the positive z-direction. Determine the magnitude and direction ..
At room temperature a Nitrogen molecule,with mass of 4.76*10^-26 kg typically has a kinetic energy of 5.6*10^-21 J. How fast is it moving
idetailed and elaborate responses to the following questions.nbsp your response to each should be a minimum of one
Using Einsteins formula
A barbell spins around a pivot at its center at A. The barbell consists of two small balls, each with mass 450 grams (0.45 kg), Calculate the moment of inertia I of the barbell
A plastic rod is rubbed against a wool shirt there by aquiring the charge of -0.80 mC. how many electrons are transfered from the wool shirt to the plastic rod.
A 20.0kg rock slides on a rough horizontal surface at 5.50 m/s and eventually stops due to friction. What average thermal power (Watts) is produced as the rock stops
An object weighing 347 N in air is immersed in water after being tied to a string connected to a balance. Calculate the density of the object
The plates of a parallel-plate capacitor are 3.50mmapart, and each carries a charge of magnitude 75.0nC, What is the area of each plate
q1. an important news announcement is trans- mitted by radio waves to people who are 122 km away sitting next to their
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